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Finding the Fourth Proportional to 17,970.91, 24,800.02 and 9,904.86

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Solution

The fourth proportional to 17,970.91, 24,800.02 and 9,904.86 is: 13,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.91 : 24,800.02 = 9,904.86 : x
  2. Step 2: Convert to fraction form
    17,970.91/24,800.02 = 9,904.86/x
  3. Step 3: Cross multiply
    17,970.91x = 24,800.02 × 9,904.86
  4. Step 4: Simplify right side
    17,970.91x = 245,640,726.10
  5. Step 5: Solve for x
    x = 245,640,726.10/17,970.91
  6. Step 6: Final answer
    x = 13,668.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.